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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
affected on
Grammar usage guide and real-world examplesUSAGE SUMMARY
"affected on" is not correct or usable in written English.
You can use "affected by" instead. For example: "This law significantly affected by the population."
⚠ May contain grammatical issues
Science
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
Five patients were affected on both feet, one patient on one foot.
They also documented my psychic shift from a numbed observer to one deeply affected on a personal level.
News & Media
Traffic was even affected on the Hudson River.
News & Media
Forecasts suggest British airspace may be affected on Thursday, with flight disruption a possibility.
News & Media
TAP Portugal has announced that London-Lisbon flights will also be affected on both days.
News & Media
John Marshall from Brisbane, was affected on Tuesday and the problem continued on Thursday.
News & Media
In the event of a strike, about 200 employees would be affected on a given day.
News & Media
The mobile operator was forced to apologise after millions of customers were affected on Friday.
News & Media
Airlines said it was unclear how schedules would be affected on Tuesday morning.
News & Media
St Paul was not more deeply affected on the road to Damascus.
News & Media
Tropical air from the Mediterranean regions (87 days affected on average) is always warm and moist.
Encyclopedias
Expert writing Tips
Best practice
When describing the impact of something, consider stronger verbs like "influenced", "impacted", or "altered" to convey a more precise meaning than "affected".
Common error
Avoid using "on" after "affected". The correct preposition is almost always "by". For example, don't write "The results were affected on the new policy." Instead, write "The results were affected by the new policy."
Source & Trust
81%
Authority and reliability
2.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "affected on" functions as a prepositional phrase, but it is grammatically incorrect. According to Ludwig AI, the correct form is "affected by". It attempts to describe the state of being influenced or changed by something.
Frequent in
Science
39%
News & Media
35%
Wiki
5%
Less common in
Encyclopedias
2%
Formal & Business
2%
Reference
0%
Ludwig's WRAP-UP
The phrase "affected on" is frequently found across various sources, but it's grammatically incorrect. The correct usage is "affected by". Ludwig AI highlights this error, recommending the use of "affected by" instead. While it appears in contexts like Science and News & Media, it's important to avoid this phrase in formal writing. Consider using alternatives like "influenced by" or "impacted by" for clarity and correctness. Always double-check your preposition usage to ensure your writing is grammatically sound.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
influenced by
This alternative directly replaces "affected" with "influenced", maintaining a similar meaning while using correct grammar.
impacted by
This phrase substitutes "affected" with "impacted", denoting a strong influence or effect. It is generally considered acceptable, although some may see it as business jargon.
had an effect on
This option uses a more descriptive phrase, focusing on the action of having an effect, which avoids the incorrect use of "on" with "affected".
subjected to
This phrase suggests being exposed to something that causes change, often used in negative contexts.
acted upon
This alternative is more formal and suggests that something or someone is the recipient of an action.
modified by
This suggests a change or alteration has occurred due to an external influence.
changed by
This is a simple and direct substitute, indicating alteration as a result of something.
touched by
This phrase can imply being emotionally or superficially affected.
swayed by
This implies being influenced to change one's opinion or course of action.
determined by
This suggests that something's state or outcome is decided by another factor.
FAQs
What is the correct way to use "affected" in a sentence?
The correct way is to use "affected by". For example, "The community was severely "affected by" the recent hurricane."
What preposition should I use after "affected"?
The most appropriate preposition to use after "affected" is "by". Using other prepositions like "on" is grammatically incorrect.
Is "affected on" grammatically correct?
No, "affected on" is not grammatically correct. The correct phrasing is ""affected by"".
What can I say instead of "affected on"?
Since "affected on" is incorrect, you can use phrases like "influenced by", "impacted by", or "changed by" to convey a similar meaning.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
2.1/5
Expert rating
Real-world application tested